l=[[11, 14, 16, 10],
[12, 15, 17, 10],
[13, 11, 14, 11],
[12, 10, 13, 8],
[11, 13, 14, 10]]
print(max(zip(*l)[0]))
#print max(l[0])
#縦ソートを行うには?
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